You are correct, it takes constant practice and a operations protocol for exercising backup MG's. The expense doesn't end with the initial equipment purchase, maintenance personnel would require factory training on both the MG's and the switching equipment. The up side is clean power that you control rather than the power controlling you.

(Written on 2016年08月14日)(Permalink)

Maybe Delta should look into Motor-Generator technology to isolate electrical loads from the electrical power supply line. This technology has been around for a very long time now; with it computers don't see any power grid hits, in fact the power grid could go off-line and the computer center would never know it unless someone from maintenance call to report the Gen's are operational.

(Written on 2016年08月14日)(Permalink)